"Chess.com" matching MCP connectors:

The Apiosk MCP lets AI agents discover, pay for, execute, and publish APIs through the Apiosk gateway. It is a machine endpoint, not a website, so connect it from an MCP client (Claude, Cursor, ChatGPT, and others) rather than browsing it here.

Shared long-term memory vault for AI agents with 20 MCP tools.

Official Nas.com MCP Server for AI agents. Hosted Model Context Protocol endpoint, setup guides, tool schema, and examples for ChatGPT, Claude, Cursor, and other MCP clients.

Outcome-based infrastructure for agents — verified AWS deployments, metered billing

Website intelligence audits for AI agents: free preview plus x402-paid Agent Readiness scoring

Agent-first full-stack infra: Postgres, auth, storage, sites, functions. Pay-per-use x402 USDC.

Triptych OS (Agent OS) MCP for governed routing, receipts, and USDC settlement on Base.

Self-hosted MCP gateway: turn any API, database or MCP server into AI connectors — no code.

Reliable async execution for agent tool calls: schema gating, retries, idempotency, audit trail.

Build, validate, and deploy multi-agent AI solutions from any AI environment.

Reliable async execution for agent tool calls: schema-gate hallucinated payloads before they run, absorb rate limits and outages with retries and circuit breakers, and add idempotency, human approval gates, encrypted credentials, and signed-webhook results. Failed calls return an llm_hint the agent can self-correct from.

Counterparty risk transfer for the agent economy: agents post bonds behind their promises, wronged c

Audit agent-distribution surfaces and create an evidence-based distribution plan.

Agent-readiness scanner (0-5 score), robots.txt + llms.txt generators, managed agent enablement.

Live trading-pipeline intelligence for AI agents: signal scoring, calibration, recorded outcomes.

Trust layer for the x402 economy - check any service before you pay. Scores, discovery, routing.

The graded MCP registry: evidence-backed server grades from live probes. Search, verify, connect.

Pay-per-call x402 gateway: agent tools, OpenAI-compatible LLM, market data, RPC, security audits.

Trust scoring for x402 endpoints — "should my agent pay this?" check_endpoint runs live diligence: x402 spec-compliance probe, price sanity vs market percentiles, payTo wallet on-chain activity (Base), directory presence, infra hygiene. Returns 0-100 score with per-check evidence. compare_price positions any price vs category market data. Pay-per-call via x402: $0.02/call USDC on Base, no account or API key. tools/list free.

Search, inspect, pull and publish reusable AI-agent harnesses from onlyharness.com.